Mexican Jay

Aphelocoma wollweberi

Order

PASSERIFORMES

Family

Crows and Jays (Corvidae)

Code 4

MEJA

Code 6

APHULT

ITIS

Egg Color:

Pale green eggs with green markings



Number of Eggs:

4 - 7



Incubation Days:

16 - 18



Egg Incubator:

Female



Nest Location:

6 - 30 feet above ground., On branch or in crotch of oak or conifer.



Nest Material:

Twigs, Lined with fine grass, hair, twigs and roots.



Migration:

Nonmigratory



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General

Mexican Jay: Large, crestless jay with blue-gray back, blue head, wings, rump and tail, and pale gray underparts. Bill is dark. Sexes are similar. Juvenile is grayer and has dark-tipped yellow bill.

Range and Habitat

Mexican Jay: Ranges from the north in central and southwestern Arizona, southwestern New Mexico, and west-central Texas through the eastern central mountain chain south to Puebla, Guerrero, and central Veracruz, and west to Jalisco and Colima. Preferred habitats include pine, oak, and juniper woodlands.

Breeding and Nesting

Mexican Jay: Four to seven pale green eggs with green markings are laid in a nest made of twigs with an inner layer of rootlets, lined with fine grass, hair, twigs and roots, and built from 6 to 30 feet above the ground on a horizontal branch or crotch of an oak or conifer. Incubation ranges from 16 to 18 days and is carried out by the female.

Foraging and Feeding

Mexican Jay: Acorns are a staple, but it also eats fruits, insects, carrion, and eggs and young birds. Forages on the ground and in trees; caches acorns and other nuts; holds food under its feet to peck it open.

Readily Eats

Cracked Corn, Suet, Sunflower Seed

Vocalization

Mexican Jay: Song is raucous, ringing "weenk", often heard in series. Calls include "wait-wait-wait" and a soft "coo."

Similar Species

Mexican Jay: Western Scrub-Jay has gray-brown back, blue necklace across the breast, and white eyebrow. Pinyon Jay has a short tail, blue breast, and long, pointed bill.

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UnderpartsX

Belly, undertail coverts, chest, flanks, and foreneck.

RumpX
The area between the uppertail coverts and the back of the bird.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X